Stamping machine



fw. E. BISHOP. STAMPING MACHINE.

`APPUCATION FILED OG T, 27. l9l9.

Sx k l N VENTQR.' Wiliam, Z/wza,

WITNESS:

A TTORNE Y.

Wl E. BISHOP.

s rAmPms MAcmNE.

APPLICATION FILED OCT. 27, 19l9. 194169442, Patented May 16, 1922.

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- .z t N Y TNESS Q INVENTOR.' W' y gg g WZZz'a/n Ezlfhop,

A TTORNEY.

W. E. BISHOP.

STAMPING MACHINE.

APPLICATION FILED ocr, 27, 19:9.

STAT

WILLIAM E. BISHOP, 03E' KANSAS CITY, KANSAS.

STAMPING MACHINE.

i Lirama.

Application filed October 2'?, 1919.

T 0 all whom t may concern:

Be it known that I, WILLIAM E. Brsrror, a citizen of the United States,residing at Kansas City, in the county of Wyandotte and` State ofKansas, have invented certain new and useful Improvements in StampingMachines, of which the following` is a speciication.

My invention relates to a machine for stamping or printing words.,symbols, or other distinctive marks on articles of food such as nuts,oranges, lemons, etc., and in its present form embodies a hopper forholding the articles, dies for printing the articles, chutes fordirecting the articles from the hopper to the dies, means for presentingthe articles one by one to the dies to insure the stamping of eacharticle, and means to prevent the articles from clogging between thehopper and the chutes.

In the accompanying drawings which disclose the preferred embodiment ofthe invention:

Fig. 1 is an end elevation of the machine.

Fig. 2 is a broken plan view of the ma chine.

Fig. 3 is a broken vertical cross section 'taken on line III-III of Fig.2.

Fig. 4 is a broken horizontal section, enlarged, on line IV-IV of Fig.7, of the stamping mechanism and associated parts.

Fig. 5 is a detail perspective view of the dies for printing or stampingthe articles.

- Fig. 6 is a detail perspective view of a reciprocatory stop to supportthe articles in position to be stamped or printed.

Fig. 7 is a broken side elevation, partly in section, of the stampingmechanism and associated parts.

Fig. 8 is a horizontal section on line VIII-VIII of Fig. 7.

Fig. 9 is an irregular vertical longitudinal section on line IX-IXvofFig. 8.

Fig. 10 is a cross section, enlarged, on line X-X of Fig. 7.

Fig. 11 is a fragmentary section of an agitator.

In carrying out the invention, I employ a suitable table 2, consistingin the present instance of a horizontal top 4 and supporting legs 6.

8 designates a hopper in which the articles to be stamped are placed.Said hopper 8 is Acarried above the table 2 on suitable means, such asbrackets 10, secured upon two oppositely disposed, inclined supportingpeoication of Letters Patent.

Patented May 16, 1922.

sel-iai no. 333,605.

The chutes 22 are open at that portion o f their undersides which extendover a reciprocatory agitator 26, which moves forward vand backward toprevent the articles from becoming clogged in the bottoni` of the hopper8 and at the entrance to the chutes 22. v

Theupper surface of the agitator 26 is cor.- rugated as disclosed more`clearly on Figs. 2 and. 11, to better engage and move the articles toand fro, and slopes in both directions from a central point to cause thearticles to roll down the chutes 22. The agitator 26 is mounted onantifriction rollers 28 and ball-bearings 30 arranged to ytraverse rails32 and ball races 84, respectively, fixed upon the upper portion of theframe 18. vleciprocatorv motion is imparted to the agitator 26 bysuitableineans such as an eccentric 36, the rod 38 of which is pivotallyconnected at its forward end to a bifurcated lug 40, fixed to theadjacent end. of said agitator 26.y The disk of the eccentric 36 isfixedly-mounted upon aL shaft 42 jou-rnaled in bearings' 44 and 46driven by suitable means, such as a bevel gear 48 intermeshing with abevel gear 50. The bevel gear 50 is driven from a suitable motor 52through a train 54. The motor 52 is, preferably, supported in a hanger56 depending from the underside of the table top 4.

Referring now more particularly to the stamping batteries 24- arrangedat the lower ends of the chutes y22 and disclosed more clearly onyFigs-4y to 10, inclusive, each consists of a casing 58 iiXedon vtop ofthe table 4 and reinforced at its sides with longitudinal plates 60,provided'with upper and lower vslideways 62 and 64, respectively. Theslideways 62 support a reciprocatory. stop 66 provided withfa stem68,extending rearwardly through a cross-head 7() slidably mounted in slots7 2 and 7 4 extending longitudinally of the casing 58 and the plates 60,respectively. An expansion spring 76 is in,- terposed between the rearend of the stop 66 and the cross head 70 to yieldab'ly hold said stop apredetermined distance in advance of said cross-head, which is held enthe stein 68 by suitable means such as a transverse pin 78. c

80 designates a second reciprocatory stop provided with a body portion82 having` lon-- gitudinal grooves 84 to receive the slideways 64 uponwhich said body portion is reciprocably mounted. The body portion 82 hasa pair of internal longitudinal slideways 86 upon which a stamping die88 is reciprocably mounted, said stampingA die being pro-- vided at itssides with longitudinal grooves 90 to receive the slideways 86.

The reciprocatory stops 66 and 80 are alternately. moved forwardly andbacio wardly through the upper and lower portions, respectively, of aport 92 in one of the brackets 14 leading from the discharge end of theregistering chute 22 to an underlying port 94 in the table top 4.Suitable means such as levers 96 are employed te actuate the stops 66and 80. Said levers 96 are fulcrumed on pivots 98 at opposite sides ofthe casing 58 and pivotally connected at their upper ends to thecross-head 7 0 by links 100.

The lower ends of the levers 96 are connested to opposite sides of thestop 80 by pin-and-slot connections 102. The sides of the casing 58 andthe plates 60, have longi tudinal slots 106 through which the pins 102 lextend.

The die 88 is provided at its forward end with any suitable symbol7letters, or mark, such for instance as that disclosed at 108 on Fig. 5,and is supplied with inl; from a pad 110, which in turn is supplied froman inl; well 114 threaded into a frame 116 carrying- Ythe pad 110.Access is had to the inl: well. 114 to supply the same with ink, througha longitudinal slotJ 117 in the stop 66 and an opening 118 in the top ofthe casing 58.

The ink pad frame 116 is mounted upon a pivot 120 extending transverselythrough the sides of the casing 58 and the plates 60 and provided with acoil spr'ig 122, one end df which is secured to isaidipivot 120 and theother to the frame 116 for the purpose of swinging the same downwardlyto the position disclosed on Fig. 9, to inlr the symbol 108 on the faceof theV die llllhen the die 88 moves forwardly to stamp an article itpushes the pad 110 and its frame 116 upwardly to the position disclosedon Fig. 7 where it'is held by the upper surV- face .of the body portion82 of the reciprocatory stop 80 and a pair of arms 124 bearing on top ofsaid stop 80 and. fixed to the pad frame 116.

The rear end of the die 88 is provided with a stem 126 extending looselythrough a plate 128 secured to the rea-r end of the body portion 82 ofthe stop 80. A coil spring 130, embracing the stem 126 and interposedVbetween` the rear end of the die reciente 88 and the plate 128,yieldably holds the cie a predetermined distance in advance of the plate128, such distance being determined by pin 184 extending'transverselythrough the rear end of the pin 126 and bearing against the rear side ofthe plate 128. i

The stop 80 is actuated by eccentric 186, the rod 188 of which pivotallyconnected to the rear side of the plate 128.

The eiicentrics 136 are lixedly mounted upon cbafts 140 carried atopposite sides of the a, 2, by brackets 142 and provided. with liredlyniounted pulleys 144. driven by belts 148 running around pulleys 150driven by the train 54.

In practice the hopper 8 is filled with articles to be stamped, afterwhich the motor 52 is started to actuate the working mechanism throughthe intermedia-cy of their various connections above-described. AS theagb tator 26 moves to and fro it causes the arti-4 cles to pass into thechutes 22 which conduct the articles to the ports 92, each of which isonly large enough to admit one article at :i time. Should the stops 66happeirto be in forward position as the initial articles are about toenter the portg 92, said articles are arrested by said stops 66 untilthe saine move backwardly, while the stops 80 move 'forwardly tointercept the artic es when they are permitted to enter the ports 92, onthe backward movement of the stops 66. As the stops 80 move forwardly tointercept the articles, the dies 88 are carried therewith and oncontacting the articles, stamp the same, after which the stops 80 andthe dies 88 move backwardly and uncover the ports 94 to permit' thearticles to fall therethrough.

As the dies 88 move forwardly to stamp Athe y articles as abovedescribed, they swing` the pads 112 upwardly against the action of thesprings 122, by which time the stops 80 pass beneath the arms 124 andhold the same and the pads 112 in raised position until the stops 80 andthe dies 88 move baclwardly to the position disclosed on |Thus it willbe understood that the face or printing end of the dies will be suppliedwith fresh inlr for each printing operation.

By having the stops 66 and 82 alternately move forwardly as abovedescribed, it will he impossible for articles to pass through the ports92 without being stamped, and owing to the yielding connection affordedby the springs 76 and 1807 said stops are permitted to yield in casearticles shouldV become lodged between the forward" ends of said stopsand the opposite sides of the ports 92.. thereby avoiding damage eitherto. the stops or the articles. Owing to the yielding connection betweenthe dies 88 and the stops 801 the forward movement of said dies may begreater or less according to size of the articles to be stamped..

From the foregoing description it is apparent that l have produced amachine of large capacity and embodying the advantages above enumerated,and while I have shown and described the preferred 'form ot myinvention, I reserve the right to male such changes in the construction,proportion and arrangement ot parts as properly Jfall' within thespiritand scope of the claims.

Having thus described my invention, what I claim and desire to secure byLetters Patent, is:

l. In a machine of the character described, a receptacle for articles tobe stamped, mechanism for stamping the articles, inclined means forconducting the articles `from the receptacle to said stamping mechanismand having openings in their bottom portions, a reciprocatory agitatorunderlying the open portions of the bottoms to prevent the articles fromclogging, and means for presenting the articles to the stampingmechanism.

2. In a machine of the character' described,

va receptacle for articles to be stamped,

mechanism for stamping the articles, means for conducting the articlesfrom the receptacle to said stamping mechanism, a reciprocatory agitatorarranged horizontally beneath the conducting means to prevent thearticles from becoming clogged between said receptacle and theconducting means, and anti-'frictional supporting means for saidagitator'.

3. In a machine of the character described, a receptacle for articles tobe stamped, mechanism for stamping the articles, means for conductingthe articles from the receptacle to said stamping' mechanism, a stopoperably mounted to regulate the passage of the articles to the stampingmechanism, a stop operably-mounted to support the articles in positionto be stamped, and means for alternately moving said stops to activeposition.

4. In a machine of the character described, means for stamping articles,and a stop carrying said stamping means and arranged to support thearticles in position to be stamped.

5. In a machine of' the character described, means for stampingarticles, a stop carrying said stamping` means and arranged to Supportthe articles in position to be stamped, and means for moving said stopto active and inactive positions.

6. In a machine of the character described, means for stamping articles,a stop carrying said stamping means and arranged to support the articlesin position to be stamped, means for moving said stop to active andinactive positions, and yielding means interposed between the stampi-ngmeans and the stop whereby the latter may continue its movement toactive position after the stamp` ing means is arrested by an article tobe stamped.

7. In a machine of the character described,

means for stamping articles, a stop carrying said stamping means andarranged to sup port the articles in position to be stamped, means formoving said stop to active and inactive positions, inking means arrangedto ink the stamping means when the same is in inactive position, andmeans on said inling means to ride on the stop and hold the inlringmeans out of the path of the stamping means.

S. In a machine of the character described, a movable die for stampingarticles, a pad for inlring said die, a swingable frame carrying saidpad, resilient means engaging said iframe to hold the pad against thedie, means movable with the die to engage the 'frame and cause the sameto carry the pad away from the die, and mechanism `lor presenting thearticles to the die for stamping.

In testimony whereof I aflix my signa` ture in the presence oit twoWitnesses.

IVILLIAIVI E. BISHOP. Witnesses:

F. G. FISCHER, L. J. FISCHER.

